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author	Richard Henderson <richard.henderson@linaro.org>
	Wed, 15 Aug 2018 23:31:47 +0000 (16:31 -0700)
committer	Richard Henderson <richard.henderson@linaro.org>
	Fri, 19 Oct 2018 02:46:36 +0000 (19:46 -0700)
commit	e6cd4bb59b8154fa00da611200beef7eb4e8ec56
tree	092a1f3d8da6fe618602199eb7af7a6f65aa1950	tree \| snapshot
parent	383beda9cf32f795616c3b93f7d6154d70372d4b	commit \| diff

tcg: Split CONFIG_ATOMIC128

GCC7+ will no longer advertise support for 16-byte __atomic operations
if only cmpxchg is supported, as for x86_64. Fortunately, x86_64 still
has support for __sync_compare_and_swap_16 and we can make use of that.
AArch64 does not have, nor ever has had such support, so open-code it.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

accel/tcg/atomic_template.h		diff \| blob \| blame \| history
accel/tcg/cputlb.c		diff \| blob \| blame \| history
accel/tcg/user-exec.c		diff \| blob \| blame \| history
configure		diff \| blob \| blame \| history
include/qemu/atomic128.h	[new file with mode: 0644]	blob
include/qemu/compiler.h		diff \| blob \| blame \| history
tcg/tcg.h		diff \| blob \| blame \| history

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